Cutting down on greenhouse gas pollution could deliver health benefits. David Biello reports

Changes in the weather mean changes in ecosystems and a new report maps vulnerability. David Biello investigates

The red cedar trees of West Virginia reveal just how effective U.S. clean air laws have been. David Biello reports

Look to the shells of marine algae to find the answer to historical global cooling. David Biello reports

In a study of patients asked to tolerate discomfort, different placebo treatments achieved different levels of relief, in keeping with individual expectations. Katherine Harmon reports

University of Minnesota undergraduate Daniel Crawford studies geography and environmental science. He's also a cellist. He converted more than a century of global temperature data to create A Song of Our Warming Planet. Mark Fischetti reports.

Understanding that, for example, anorexics and autists both tend to have high interest in systems could inform treatment choices. Erika Beras reports

Just how many ant species are humans moving from place to place? David Biello reports

Megafauna extinctions prove a key factor in reduced soil fertility. David Biello reports